static char * dynamic_strings;
static unsigned long dynamic_strings_length;
static unsigned long num_dynamic_syms;
+static bfd_size_type nbuckets;
+static bfd_size_type nchains;
+static bfd_vma *buckets;
+static bfd_vma *chains;
+static bfd_vma ngnubuckets;
+static bfd_vma *gnubuckets;
+static bfd_vma *gnuchains;
+static bfd_vma *mipsxlat;
+static bfd_size_type ngnuchains;
+static bfd_vma gnusymidx;
static Elf_Internal_Sym * dynamic_symbols;
static Elf_Internal_Syminfo * dynamic_syminfo;
static unsigned long dynamic_syminfo_offset;
(is_32bit_elf ? get_32bit_elf_symbols (file, section, sym_count) \
: get_64bit_elf_symbols (file, section, sym_count))
-#define VALID_DYNAMIC_NAME(offset) ((dynamic_strings != NULL) && (offset < dynamic_strings_length))
+#define VALID_SYMBOL_NAME(strtab, strtab_size, offset) \
+ (strtab != NULL && offset < strtab_size)
+#define VALID_DYNAMIC_NAME(offset) \
+ VALID_SYMBOL_NAME (dynamic_strings, dynamic_strings_length, offset)
/* GET_DYNAMIC_NAME asssumes that VALID_DYNAMIC_NAME has
already been called and verified that the string exists. */
#define GET_DYNAMIC_NAME(offset) (dynamic_strings + offset)
puts ("");
}
+static bfd_vma *
+get_dynamic_data (Filedata * filedata, bfd_size_type number, unsigned int ent_size)
+{
+ unsigned char * e_data;
+ bfd_vma * i_data;
+
+ /* If the size_t type is smaller than the bfd_size_type, eg because
+ you are building a 32-bit tool on a 64-bit host, then make sure
+ that when (number) is cast to (size_t) no information is lost. */
+ if (sizeof (size_t) < sizeof (bfd_size_type)
+ && (bfd_size_type) ((size_t) number) != number)
+ {
+ error (_("Size truncation prevents reading %s elements of size %u\n"),
+ bfd_vmatoa ("u", number), ent_size);
+ return NULL;
+ }
+
+ /* Be kind to memory checkers (eg valgrind, address sanitizer) by not
+ attempting to allocate memory when the read is bound to fail. */
+ if (ent_size * number > filedata->file_size)
+ {
+ error (_("Invalid number of dynamic entries: %s\n"),
+ bfd_vmatoa ("u", number));
+ return NULL;
+ }
+
+ e_data = (unsigned char *) cmalloc ((size_t) number, ent_size);
+ if (e_data == NULL)
+ {
+ error (_("Out of memory reading %s dynamic entries\n"),
+ bfd_vmatoa ("u", number));
+ return NULL;
+ }
+
+ if (fread (e_data, ent_size, (size_t) number, filedata->handle) != number)
+ {
+ error (_("Unable to read in %s bytes of dynamic data\n"),
+ bfd_vmatoa ("u", number * ent_size));
+ free (e_data);
+ return NULL;
+ }
+
+ i_data = (bfd_vma *) cmalloc ((size_t) number, sizeof (*i_data));
+ if (i_data == NULL)
+ {
+ error (_("Out of memory allocating space for %s dynamic entries\n"),
+ bfd_vmatoa ("u", number));
+ free (e_data);
+ return NULL;
+ }
+
+ while (number--)
+ i_data[number] = byte_get (e_data + number * ent_size, ent_size);
+
+ free (e_data);
+
+ return i_data;
+}
+
+static unsigned long
+get_num_dynamic_syms (Filedata * filedata)
+{
+ unsigned long num_of_syms = 0;
+
+ if (!do_histogram && (!do_using_dynamic || do_dyn_syms))
+ return num_of_syms;
+
+ if (dynamic_info[DT_HASH])
+ {
+ unsigned char nb[8];
+ unsigned char nc[8];
+ unsigned int hash_ent_size = 4;
+
+ if ((filedata->file_header.e_machine == EM_ALPHA
+ || filedata->file_header.e_machine == EM_S390
+ || filedata->file_header.e_machine == EM_S390_OLD)
+ && filedata->file_header.e_ident[EI_CLASS] == ELFCLASS64)
+ hash_ent_size = 8;
+
+ if (fseek (filedata->handle,
+ (archive_file_offset
+ + offset_from_vma (filedata, dynamic_info[DT_HASH],
+ sizeof nb + sizeof nc)),
+ SEEK_SET))
+ {
+ error (_("Unable to seek to start of dynamic information\n"));
+ goto no_hash;
+ }
+
+ if (fread (nb, hash_ent_size, 1, filedata->handle) != 1)
+ {
+ error (_("Failed to read in number of buckets\n"));
+ goto no_hash;
+ }
+
+ if (fread (nc, hash_ent_size, 1, filedata->handle) != 1)
+ {
+ error (_("Failed to read in number of chains\n"));
+ goto no_hash;
+ }
+
+ nbuckets = byte_get (nb, hash_ent_size);
+ nchains = byte_get (nc, hash_ent_size);
+ num_of_syms = nchains;
+
+ buckets = get_dynamic_data (filedata, nbuckets, hash_ent_size);
+ chains = get_dynamic_data (filedata, nchains, hash_ent_size);
+
+ no_hash:
+ if (num_of_syms == 0)
+ {
+ if (buckets)
+ {
+ free (buckets);
+ buckets = NULL;
+ }
+ if (chains)
+ {
+ free (chains);
+ buckets = NULL;
+ }
+ nbuckets = 0;
+ }
+ }
+
+ if (dynamic_info_DT_GNU_HASH)
+ {
+ unsigned char nb[16];
+ bfd_vma i, maxchain = 0xffffffff, bitmaskwords;
+ bfd_vma buckets_vma;
+ unsigned long hn;
+ bfd_boolean gnu_hash_error = FALSE;
+
+ if (fseek (filedata->handle,
+ (archive_file_offset
+ + offset_from_vma (filedata, dynamic_info_DT_GNU_HASH,
+ sizeof nb)),
+ SEEK_SET))
+ {
+ error (_("Unable to seek to start of dynamic information\n"));
+ gnu_hash_error = TRUE;
+ goto no_gnu_hash;
+ }
+
+ if (fread (nb, 16, 1, filedata->handle) != 1)
+ {
+ error (_("Failed to read in number of buckets\n"));
+ gnu_hash_error = TRUE;
+ goto no_gnu_hash;
+ }
+
+ ngnubuckets = byte_get (nb, 4);
+ gnusymidx = byte_get (nb + 4, 4);
+ bitmaskwords = byte_get (nb + 8, 4);
+ buckets_vma = dynamic_info_DT_GNU_HASH + 16;
+ if (is_32bit_elf)
+ buckets_vma += bitmaskwords * 4;
+ else
+ buckets_vma += bitmaskwords * 8;
+
+ if (fseek (filedata->handle,
+ (archive_file_offset
+ + offset_from_vma (filedata, buckets_vma, 4)),
+ SEEK_SET))
+ {
+ error (_("Unable to seek to start of dynamic information\n"));
+ gnu_hash_error = TRUE;
+ goto no_gnu_hash;
+ }
+
+ gnubuckets = get_dynamic_data (filedata, ngnubuckets, 4);
+
+ if (gnubuckets == NULL)
+ {
+ gnu_hash_error = TRUE;
+ goto no_gnu_hash;
+ }
+
+ for (i = 0; i < ngnubuckets; i++)
+ if (gnubuckets[i] != 0)
+ {
+ if (gnubuckets[i] < gnusymidx)
+ {
+ gnu_hash_error = TRUE;
+ return FALSE;
+ }
+
+ if (maxchain == 0xffffffff || gnubuckets[i] > maxchain)
+ maxchain = gnubuckets[i];
+ }
+
+ if (maxchain == 0xffffffff)
+ {
+ gnu_hash_error = TRUE;
+ goto no_gnu_hash;
+ }
+
+ maxchain -= gnusymidx;
+
+ if (fseek (filedata->handle,
+ (archive_file_offset
+ + offset_from_vma (filedata, buckets_vma
+ + 4 * (ngnubuckets + maxchain), 4)),
+ SEEK_SET))
+ {
+ error (_("Unable to seek to start of dynamic information\n"));
+ gnu_hash_error = TRUE;
+ goto no_gnu_hash;
+ }
+
+ do
+ {
+ if (fread (nb, 4, 1, filedata->handle) != 1)
+ {
+ error (_("Failed to determine last chain length\n"));
+ gnu_hash_error = TRUE;
+ goto no_gnu_hash;
+ }
+
+ if (maxchain + 1 == 0)
+ {
+ gnu_hash_error = TRUE;
+ goto no_gnu_hash;
+ }
+
+ ++maxchain;
+ }
+ while ((byte_get (nb, 4) & 1) == 0);
+
+ if (fseek (filedata->handle,
+ (archive_file_offset
+ + offset_from_vma (filedata, buckets_vma + 4 * ngnubuckets, 4)),
+ SEEK_SET))
+ {
+ error (_("Unable to seek to start of dynamic information\n"));
+ gnu_hash_error = TRUE;
+ goto no_gnu_hash;
+ }
+
+ gnuchains = get_dynamic_data (filedata, maxchain, 4);
+ ngnuchains = maxchain;
+
+ if (gnuchains == NULL)
+ {
+ gnu_hash_error = TRUE;
+ goto no_gnu_hash;
+ }
+
+ if (dynamic_info_DT_MIPS_XHASH)
+ {
+ if (fseek (filedata->handle,
+ (archive_file_offset
+ + offset_from_vma (filedata, (buckets_vma
+ + 4 * (ngnubuckets
+ + maxchain)), 4)),
+ SEEK_SET))
+ {
+ error (_("Unable to seek to start of dynamic information\n"));
+ gnu_hash_error = TRUE;
+ goto no_gnu_hash;
+ }
+
+ mipsxlat = get_dynamic_data (filedata, maxchain, 4);
+ }
+
+ for (hn = 0; hn < ngnubuckets; ++hn)
+ if (gnubuckets[hn] != 0)
+ {
+ bfd_vma si = gnubuckets[hn];
+ bfd_vma off = si - gnusymidx;
+
+ do
+ {
+ if (dynamic_info_DT_MIPS_XHASH)
+ {
+ if (mipsxlat[off] >= num_of_syms)
+ num_of_syms = mipsxlat[off] + 1;
+ }
+ else
+ {
+ if (si >= num_of_syms)
+ num_of_syms = si + 1;
+ }
+ si++;
+ }
+ while (off < ngnuchains && (gnuchains[off++] & 1) == 0);
+ }
+
+ no_gnu_hash:
+ if (gnu_hash_error)
+ {
+ if (mipsxlat)
+ {
+ free (mipsxlat);
+ mipsxlat = NULL;
+ }
+ if (gnuchains)
+ {
+ free (gnuchains);
+ gnuchains = NULL;
+ }
+ if (gnubuckets)
+ {
+ free (gnubuckets);
+ gnubuckets = NULL;
+ }
+ ngnubuckets = 0;
+ ngnuchains = 0;
+ }
+ }
+
+ return num_of_syms;
+}
+
/* Parse and display the contents of the dynamic section. */
static bfd_boolean
}
/* Find the appropriate symbol table. */
- if (dynamic_symbols == NULL)
+ if (dynamic_symbols == NULL || do_histogram)
{
for (entry = dynamic_section;
entry < dynamic_section + dynamic_nent;
++entry)
- {
- Elf_Internal_Shdr section;
+ if (entry->d_tag == DT_SYMTAB)
+ dynamic_info[DT_SYMTAB] = entry->d_un.d_val;
+ else if (entry->d_tag == DT_SYMENT)
+ dynamic_info[DT_SYMENT] = entry->d_un.d_val;
+ else if (entry->d_tag == DT_HASH)
+ dynamic_info[DT_HASH] = entry->d_un.d_val;
+ else if (entry->d_tag == DT_GNU_HASH)
+ dynamic_info_DT_GNU_HASH = entry->d_un.d_val;
+ else if ((filedata->file_header.e_machine == EM_MIPS
+ || filedata->file_header.e_machine == EM_MIPS_RS3_LE)
+ && entry->d_tag == DT_MIPS_XHASH)
+ {
+ dynamic_info_DT_MIPS_XHASH = entry->d_un.d_val;
+ dynamic_info_DT_GNU_HASH = entry->d_un.d_val;
+ }
- if (entry->d_tag != DT_SYMTAB)
- continue;
+ if (dynamic_info[DT_SYMTAB] && dynamic_info[DT_SYMENT])
+ {
+ Elf_Internal_Phdr *seg;
+ bfd_vma vma = dynamic_info[DT_SYMTAB];
- dynamic_info[DT_SYMTAB] = entry->d_un.d_val;
+ if (! get_program_headers (filedata))
+ {
+ error (_("Cannot interpret virtual addresses without program headers.\n"));
+ return FALSE;
+ }
- /* Since we do not know how big the symbol table is,
- we default to reading in the entire file (!) and
- processing that. This is overkill, I know, but it
- should work. */
- section.sh_offset = offset_from_vma (filedata, entry->d_un.d_val, 0);
- if ((bfd_size_type) section.sh_offset > filedata->file_size)
- {
- /* See PR 21379 for a reproducer. */
- error (_("Invalid DT_SYMTAB entry: %lx\n"),
- (long) section.sh_offset);
- return FALSE;
- }
+ for (seg = filedata->program_headers;
+ seg < filedata->program_headers + filedata->file_header.e_phnum;
+ ++seg)
+ {
+ unsigned long num_of_syms;
- if (archive_file_offset != 0)
- section.sh_size = archive_file_size - section.sh_offset;
- else
- section.sh_size = filedata->file_size - section.sh_offset;
+ if (seg->p_type != PT_LOAD)
+ continue;
- if (is_32bit_elf)
- section.sh_entsize = sizeof (Elf32_External_Sym);
- else
- section.sh_entsize = sizeof (Elf64_External_Sym);
- section.sh_name = filedata->string_table_length;
+ if ((seg->p_offset + seg->p_filesz)
+ > filedata->file_size)
+ {
+ /* See PR 21379 for a reproducer. */
+ error (_("Invalid PT_LOAD entry\n"));
+ return FALSE;
+ }
- if (dynamic_symbols != NULL)
- {
- error (_("Multiple dynamic symbol table sections found\n"));
- free (dynamic_symbols);
- }
- dynamic_symbols = GET_ELF_SYMBOLS (filedata, §ion, & num_dynamic_syms);
- if (num_dynamic_syms < 1)
- {
- error (_("Unable to determine the number of symbols to load\n"));
- continue;
- }
- }
- }
+ if (vma >= (seg->p_vaddr & -seg->p_align)
+ && vma <= seg->p_vaddr + seg->p_filesz
+ && (num_of_syms = get_num_dynamic_syms (filedata)))
+ {
+ /* Since we do not know how big the symbol table is,
+ we default to reading in up to the end of PT_LOAD
+ segment and processing that. This is overkill, I
+ know, but it should work. */
+ Elf_Internal_Shdr section;
+ section.sh_offset = (vma - seg->p_vaddr
+ + seg->p_offset);
+ section.sh_size = (num_of_syms
+ * dynamic_info[DT_SYMENT]);
+ section.sh_entsize = dynamic_info[DT_SYMENT];
+ section.sh_name = filedata->string_table_length;
+ dynamic_symbols = GET_ELF_SYMBOLS (filedata,
+ §ion,
+ & num_dynamic_syms);
+ if (dynamic_symbols == NULL
+ || num_dynamic_syms != num_of_syms)
+ {
+ error (_("Corrupt DT_SYMTAB dynamic entry\n"));
+ return FALSE;
+ }
+ }
+ }
+ }
+ }
/* Similarly find a string table. */
if (dynamic_strings == NULL)
- {
- for (entry = dynamic_section;
- entry < dynamic_section + dynamic_nent;
- ++entry)
- {
- unsigned long offset;
- long str_tab_len;
-
- if (entry->d_tag != DT_STRTAB)
- continue;
-
+ for (entry = dynamic_section;
+ entry < dynamic_section + dynamic_nent;
+ ++entry)
+ {
+ if (entry->d_tag == DT_STRTAB)
dynamic_info[DT_STRTAB] = entry->d_un.d_val;
- /* Since we do not know how big the string table is,
- we default to reading in the entire file (!) and
- processing that. This is overkill, I know, but it
- should work. */
-
- offset = offset_from_vma (filedata, entry->d_un.d_val, 0);
-
- if (archive_file_offset != 0)
- str_tab_len = archive_file_size - offset;
- else
- str_tab_len = filedata->file_size - offset;
-
- if (str_tab_len < 1)
- {
- error
- (_("Unable to determine the length of the dynamic string table\n"));
- continue;
- }
+ if (entry->d_tag == DT_STRSZ)
+ dynamic_info[DT_STRSZ] = entry->d_un.d_val;
- if (dynamic_strings != NULL)
- {
- error (_("Multiple dynamic string tables found\n"));
- free (dynamic_strings);
- }
+ if (dynamic_info[DT_STRTAB] && dynamic_info[DT_STRSZ])
+ {
+ unsigned long offset;
+ bfd_size_type str_tab_len = dynamic_info[DT_STRSZ];
+
+ offset = offset_from_vma (filedata,
+ dynamic_info[DT_STRTAB],
+ str_tab_len);
+ dynamic_strings = (char *) get_data (NULL, filedata, offset, 1,
+ str_tab_len,
+ _("dynamic string table"));
+ if (dynamic_strings == NULL)
+ {
+ error (_("Corrupt DT_STRTAB dynamic entry\n"));
+ break;
+ }
- dynamic_strings = (char *) get_data (NULL, filedata, offset, 1,
- str_tab_len,
- _("dynamic string table"));
- dynamic_strings_length = dynamic_strings == NULL ? 0 : str_tab_len;
- }
- }
+ dynamic_strings_length = str_tab_len;
+ break;
+ }
+ }
/* And find the syminfo section if available. */
if (dynamic_syminfo == NULL)
default:
if (type == SHN_IA_64_ANSI_COMMON
&& filedata->file_header.e_machine == EM_IA_64
- && filedata->file_header.e_ident[EI_OSABI] == ELFOSABI_HPUX)
- return "ANSI_COM";
- else if ((filedata->file_header.e_machine == EM_X86_64
- || filedata->file_header.e_machine == EM_L1OM
- || filedata->file_header.e_machine == EM_K1OM)
- && type == SHN_X86_64_LCOMMON)
- return "LARGE_COM";
- else if ((type == SHN_MIPS_SCOMMON
- && filedata->file_header.e_machine == EM_MIPS)
- || (type == SHN_TIC6X_SCOMMON
- && filedata->file_header.e_machine == EM_TI_C6000))
- return "SCOM";
- else if (type == SHN_MIPS_SUNDEFINED
- && filedata->file_header.e_machine == EM_MIPS)
- return "SUND";
- else if (type >= SHN_LOPROC && type <= SHN_HIPROC)
- sprintf (buff, "PRC[0x%04x]", type & 0xffff);
- else if (type >= SHN_LOOS && type <= SHN_HIOS)
- sprintf (buff, "OS [0x%04x]", type & 0xffff);
- else if (type >= SHN_LORESERVE)
- sprintf (buff, "RSV[0x%04x]", type & 0xffff);
- else if (type >= filedata->file_header.e_shnum)
- sprintf (buff, _("bad section index[%3d]"), type);
- else
- sprintf (buff, "%3d", type);
- break;
- }
-
- return buff;
-}
-
-static bfd_vma *
-get_dynamic_data (Filedata * filedata, bfd_size_type number, unsigned int ent_size)
-{
- unsigned char * e_data;
- bfd_vma * i_data;
-
- /* If the size_t type is smaller than the bfd_size_type, eg because
- you are building a 32-bit tool on a 64-bit host, then make sure
- that when (number) is cast to (size_t) no information is lost. */
- if (sizeof (size_t) < sizeof (bfd_size_type)
- && (bfd_size_type) ((size_t) number) != number)
- {
- error (_("Size truncation prevents reading %s elements of size %u\n"),
- bfd_vmatoa ("u", number), ent_size);
- return NULL;
- }
-
- /* Be kind to memory checkers (eg valgrind, address sanitizer) by not
- attempting to allocate memory when the read is bound to fail. */
- if (ent_size * number > filedata->file_size)
- {
- error (_("Invalid number of dynamic entries: %s\n"),
- bfd_vmatoa ("u", number));
- return NULL;
- }
-
- e_data = (unsigned char *) cmalloc ((size_t) number, ent_size);
- if (e_data == NULL)
- {
- error (_("Out of memory reading %s dynamic entries\n"),
- bfd_vmatoa ("u", number));
- return NULL;
- }
-
- if (fread (e_data, ent_size, (size_t) number, filedata->handle) != number)
- {
- error (_("Unable to read in %s bytes of dynamic data\n"),
- bfd_vmatoa ("u", number * ent_size));
- free (e_data);
- return NULL;
- }
-
- i_data = (bfd_vma *) cmalloc ((size_t) number, sizeof (*i_data));
- if (i_data == NULL)
- {
- error (_("Out of memory allocating space for %s dynamic entries\n"),
- bfd_vmatoa ("u", number));
- free (e_data);
- return NULL;
- }
-
- while (number--)
- i_data[number] = byte_get (e_data + number * ent_size, ent_size);
-
- free (e_data);
-
- return i_data;
-}
-
-static void
-print_dynamic_symbol (Filedata * filedata, bfd_vma si, unsigned long hn)
-{
- Elf_Internal_Sym * psym;
- int n;
-
- n = print_vma (si, DEC_5);
- if (n < 5)
- fputs (&" "[n], stdout);
- printf (" %3lu: ", hn);
-
- if (dynamic_symbols == NULL || si >= num_dynamic_syms)
- {
- printf (_("<No info available for dynamic symbol number %lu>\n"),
- (unsigned long) si);
- return;
- }
-
- psym = dynamic_symbols + si;
- print_vma (psym->st_value, LONG_HEX);
- putchar (' ');
- print_vma (psym->st_size, DEC_5);
-
- printf (" %-7s", get_symbol_type (filedata, ELF_ST_TYPE (psym->st_info)));
- printf (" %-6s", get_symbol_binding (filedata, ELF_ST_BIND (psym->st_info)));
-
- if (filedata->file_header.e_ident[EI_OSABI] == ELFOSABI_SOLARIS)
- printf (" %-7s", get_solaris_symbol_visibility (psym->st_other));
- else
- {
- unsigned int vis = ELF_ST_VISIBILITY (psym->st_other);
-
- printf (" %-7s", get_symbol_visibility (vis));
- /* Check to see if any other bits in the st_other field are set.
- Note - displaying this information disrupts the layout of the
- table being generated, but for the moment this case is very
- rare. */
- if (psym->st_other ^ vis)
- printf (" [%s] ", get_symbol_other (filedata, psym->st_other ^ vis));
+ && filedata->file_header.e_ident[EI_OSABI] == ELFOSABI_HPUX)
+ return "ANSI_COM";
+ else if ((filedata->file_header.e_machine == EM_X86_64
+ || filedata->file_header.e_machine == EM_L1OM
+ || filedata->file_header.e_machine == EM_K1OM)
+ && type == SHN_X86_64_LCOMMON)
+ return "LARGE_COM";
+ else if ((type == SHN_MIPS_SCOMMON
+ && filedata->file_header.e_machine == EM_MIPS)
+ || (type == SHN_TIC6X_SCOMMON
+ && filedata->file_header.e_machine == EM_TI_C6000))
+ return "SCOM";
+ else if (type == SHN_MIPS_SUNDEFINED
+ && filedata->file_header.e_machine == EM_MIPS)
+ return "SUND";
+ else if (type >= SHN_LOPROC && type <= SHN_HIPROC)
+ sprintf (buff, "PRC[0x%04x]", type & 0xffff);
+ else if (type >= SHN_LOOS && type <= SHN_HIOS)
+ sprintf (buff, "OS [0x%04x]", type & 0xffff);
+ else if (type >= SHN_LORESERVE)
+ sprintf (buff, "RSV[0x%04x]", type & 0xffff);
+ else if (filedata->file_header.e_shnum != 0
+ && type >= filedata->file_header.e_shnum)
+ sprintf (buff, _("bad section index[%3d]"), type);
+ else
+ sprintf (buff, "%3d", type);
+ break;
}
- printf (" %3.3s ", get_symbol_index_type (filedata, psym->st_shndx));
- if (VALID_DYNAMIC_NAME (psym->st_name))
- print_symbol (25, GET_DYNAMIC_NAME (psym->st_name));
- else
- printf (_(" <corrupt: %14ld>"), psym->st_name);
- putchar ('\n');
+ return buff;
}
static const char *
return NULL;
}
-/* Dump the symbol table. */
-static bfd_boolean
-process_symbol_table (Filedata * filedata)
+static void
+print_dynamic_symbol (Filedata *filedata, unsigned long si,
+ Elf_Internal_Sym *symtab,
+ Elf_Internal_Shdr *section,
+ char *strtab, size_t strtab_size)
{
- Elf_Internal_Shdr * section;
- bfd_size_type nbuckets = 0;
- bfd_size_type nchains = 0;
- bfd_vma * buckets = NULL;
- bfd_vma * chains = NULL;
- bfd_vma ngnubuckets = 0;
- bfd_vma * gnubuckets = NULL;
- bfd_vma * gnuchains = NULL;
- bfd_vma * mipsxlat = NULL;
- bfd_vma gnusymidx = 0;
- bfd_size_type ngnuchains = 0;
-
- if (!do_syms && !do_dyn_syms && !do_histogram)
- return TRUE;
+ const char *version_string;
+ enum versioned_symbol_info sym_info;
+ unsigned short vna_other;
+ Elf_Internal_Sym *psym = symtab + si;
- if (dynamic_info[DT_HASH]
- && (do_histogram
- || (do_using_dynamic
- && !do_dyn_syms
- && dynamic_strings != NULL)))
+ printf ("%6ld: ", si);
+ print_vma (psym->st_value, LONG_HEX);
+ putchar (' ');
+ print_vma (psym->st_size, DEC_5);
+ printf (" %-7s", get_symbol_type (filedata, ELF_ST_TYPE (psym->st_info)));
+ printf (" %-6s", get_symbol_binding (filedata, ELF_ST_BIND (psym->st_info)));
+ if (filedata->file_header.e_ident[EI_OSABI] == ELFOSABI_SOLARIS)
+ printf (" %-7s", get_solaris_symbol_visibility (psym->st_other));
+ else
{
- unsigned char nb[8];
- unsigned char nc[8];
- unsigned int hash_ent_size = 4;
-
- if ((filedata->file_header.e_machine == EM_ALPHA
- || filedata->file_header.e_machine == EM_S390
- || filedata->file_header.e_machine == EM_S390_OLD)
- && filedata->file_header.e_ident[EI_CLASS] == ELFCLASS64)
- hash_ent_size = 8;
-
- if (fseek (filedata->handle,
- (archive_file_offset
- + offset_from_vma (filedata, dynamic_info[DT_HASH],
- sizeof nb + sizeof nc)),
- SEEK_SET))
- {
- error (_("Unable to seek to start of dynamic information\n"));
- goto no_hash;
- }
-
- if (fread (nb, hash_ent_size, 1, filedata->handle) != 1)
- {
- error (_("Failed to read in number of buckets\n"));
- goto no_hash;
- }
-
- if (fread (nc, hash_ent_size, 1, filedata->handle) != 1)
- {
- error (_("Failed to read in number of chains\n"));
- goto no_hash;
- }
-
- nbuckets = byte_get (nb, hash_ent_size);
- nchains = byte_get (nc, hash_ent_size);
-
- buckets = get_dynamic_data (filedata, nbuckets, hash_ent_size);
- chains = get_dynamic_data (filedata, nchains, hash_ent_size);
+ unsigned int vis = ELF_ST_VISIBILITY (psym->st_other);
- if (buckets == NULL || chains == NULL)
- {
- no_hash:
- free (buckets);
- free (chains);
- buckets = NULL;
- chains = NULL;
- nbuckets = 0;
- nchains = 0;
- if (do_using_dynamic)
- goto err_out;
- }
+ printf (" %-7s", get_symbol_visibility (vis));
+ /* Check to see if any other bits in the st_other field are set.
+ Note - displaying this information disrupts the layout of the
+ table being generated, but for the moment this case is very rare. */
+ if (psym->st_other ^ vis)
+ printf (" [%s] ", get_symbol_other (filedata, psym->st_other ^ vis));
}
-
- if (dynamic_info_DT_GNU_HASH
- && (do_histogram
- || (do_using_dynamic
- && !do_dyn_syms
- && dynamic_strings != NULL)))
- {
- unsigned char nb[16];
- bfd_vma i, maxchain = 0xffffffff, bitmaskwords;
- bfd_vma buckets_vma;
-
- if (fseek (filedata->handle,
- (archive_file_offset
- + offset_from_vma (filedata, dynamic_info_DT_GNU_HASH,
- sizeof nb)),
- SEEK_SET))
- {
- error (_("Unable to seek to start of dynamic information\n"));
- goto no_gnu_hash;
- }
-
- if (fread (nb, 16, 1, filedata->handle) != 1)
- {
- error (_("Failed to read in number of buckets\n"));
- goto no_gnu_hash;
- }
-
- ngnubuckets = byte_get (nb, 4);
- gnusymidx = byte_get (nb + 4, 4);
- bitmaskwords = byte_get (nb + 8, 4);
- buckets_vma = dynamic_info_DT_GNU_HASH + 16;
- if (is_32bit_elf)
- buckets_vma += bitmaskwords * 4;
+ printf (" %4s ", get_symbol_index_type (filedata, psym->st_shndx));
+ print_symbol (25, VALID_SYMBOL_NAME (strtab, strtab_size,
+ psym->st_name)
+ ? strtab + psym->st_name : _("<corrupt>"));
+
+ version_string
+ = get_symbol_version_string (filedata,
+ (section == NULL
+ || section->sh_type == SHT_DYNSYM),
+ strtab, strtab_size, si,
+ psym, &sym_info, &vna_other);
+ if (version_string)
+ {
+ if (sym_info == symbol_undefined)
+ printf ("@%s (%d)", version_string, vna_other);
else
- buckets_vma += bitmaskwords * 8;
-
- if (fseek (filedata->handle,
- (archive_file_offset
- + offset_from_vma (filedata, buckets_vma, 4)),
- SEEK_SET))
- {
- error (_("Unable to seek to start of dynamic information\n"));
- goto no_gnu_hash;
- }
-
- gnubuckets = get_dynamic_data (filedata, ngnubuckets, 4);
-
- if (gnubuckets == NULL)
- goto no_gnu_hash;
-
- for (i = 0; i < ngnubuckets; i++)
- if (gnubuckets[i] != 0)
- {
- if (gnubuckets[i] < gnusymidx)
- goto err_out;
-
- if (maxchain == 0xffffffff || gnubuckets[i] > maxchain)
- maxchain = gnubuckets[i];
- }
-
- if (maxchain == 0xffffffff)
- goto no_gnu_hash;
-
- maxchain -= gnusymidx;
-
- if (fseek (filedata->handle,
- (archive_file_offset
- + offset_from_vma (filedata, buckets_vma
- + 4 * (ngnubuckets + maxchain), 4)),
- SEEK_SET))
- {
- error (_("Unable to seek to start of dynamic information\n"));
- goto no_gnu_hash;
- }
-
- do
- {
- if (fread (nb, 4, 1, filedata->handle) != 1)
- {
- error (_("Failed to determine last chain length\n"));
- goto no_gnu_hash;
- }
-
- if (maxchain + 1 == 0)
- goto no_gnu_hash;
-
- ++maxchain;
- }
- while ((byte_get (nb, 4) & 1) == 0);
-
- if (fseek (filedata->handle,
- (archive_file_offset
- + offset_from_vma (filedata, buckets_vma + 4 * ngnubuckets, 4)),
- SEEK_SET))
- {
- error (_("Unable to seek to start of dynamic information\n"));
- goto no_gnu_hash;
- }
+ printf (sym_info == symbol_hidden ? "@%s" : "@@%s",
+ version_string);
+ }
- gnuchains = get_dynamic_data (filedata, maxchain, 4);
- ngnuchains = maxchain;
+ putchar ('\n');
- if (gnuchains == NULL)
- goto no_gnu_hash;
+ if (ELF_ST_BIND (psym->st_info) == STB_LOCAL
+ && section != NULL
+ && si >= section->sh_info
+ /* Irix 5 and 6 MIPS binaries are known to ignore this requirement. */
+ && filedata->file_header.e_machine != EM_MIPS
+ /* Solaris binaries have been found to violate this requirement as
+ well. Not sure if this is a bug or an ABI requirement. */
+ && filedata->file_header.e_ident[EI_OSABI] != ELFOSABI_SOLARIS)
+ warn (_("local symbol %lu found at index >= %s's sh_info value of %u\n"),
+ si, printable_section_name (filedata, section), section->sh_info);
+}
- if (dynamic_info_DT_MIPS_XHASH)
- {
- if (fseek (filedata->handle,
- (archive_file_offset
- + offset_from_vma (filedata, (buckets_vma
- + 4 * (ngnubuckets
- + maxchain)), 4)),
- SEEK_SET))
- {
- error (_("Unable to seek to start of dynamic information\n"));
- goto no_gnu_hash;
- }
+/* Dump the symbol table. */
+static bfd_boolean
+process_symbol_table (Filedata * filedata)
+{
+ Elf_Internal_Shdr * section;
- mipsxlat = get_dynamic_data (filedata, maxchain, 4);
- if (mipsxlat == NULL)
- {
- no_gnu_hash:
- free (gnuchains);
- gnuchains = NULL;
- free (gnubuckets);
- gnubuckets = NULL;
- ngnubuckets = 0;
- if (do_using_dynamic)
- goto err_out;
- }
- }
- }
+ if (!do_syms && !do_dyn_syms && !do_histogram)
+ return TRUE;
if ((dynamic_info[DT_HASH] || dynamic_info_DT_GNU_HASH)
&& do_syms
&& dynamic_strings != NULL
&& dynamic_symbols != NULL)
{
- unsigned long hn;
-
- if (dynamic_info[DT_HASH])
- {
- bfd_vma si;
- char *visited;
-
- printf (_("\nSymbol table for image:\n"));
- if (is_32bit_elf)
- printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n"));
- else
- printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n"));
-
- visited = xcmalloc (nchains, 1);
- memset (visited, 0, nchains);
- for (hn = 0; hn < nbuckets; hn++)
- {
- for (si = buckets[hn]; si > 0; si = chains[si])
- {
- print_dynamic_symbol (filedata, si, hn);
- if (si >= nchains || visited[si])
- {
- error (_("histogram chain is corrupt\n"));
- break;
- }
- visited[si] = 1;
- }
- }
- free (visited);
- }
+ unsigned long si;
- if (dynamic_info_DT_GNU_HASH)
- {
- printf (_("\nSymbol table of `%s' for image:\n"),
- GNU_HASH_SECTION_NAME);
- if (is_32bit_elf)
- printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n"));
- else
- printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n"));
-
- for (hn = 0; hn < ngnubuckets; ++hn)
- if (gnubuckets[hn] != 0)
- {
- bfd_vma si = gnubuckets[hn];
- bfd_vma off = si - gnusymidx;
+ printf (ngettext ("\nSymbol table for image contains %lu entry:\n",
+ "\nSymbol table for image contains %lu entries:\n",
+ num_dynamic_syms), num_dynamic_syms);
+ if (is_32bit_elf)
+ printf (_(" Num: Value Size Type Bind Vis Ndx Name\n"));
+ else
+ printf (_(" Num: Value Size Type Bind Vis Ndx Name\n"));
- do
- {
- if (dynamic_info_DT_MIPS_XHASH)
- print_dynamic_symbol (filedata, mipsxlat[off], hn);
- else
- print_dynamic_symbol (filedata, si, hn);
- si++;
- }
- while (off < ngnuchains && (gnuchains[off++] & 1) == 0);
- }
- }
+ for (si = 0; si < num_dynamic_syms; si++)
+ print_dynamic_symbol (filedata, si, dynamic_symbols, NULL,
+ dynamic_strings, dynamic_strings_length);
}
else if ((do_dyn_syms || (do_syms && !do_using_dynamic))
&& filedata->section_headers != NULL)
char * strtab = NULL;
unsigned long int strtab_size = 0;
Elf_Internal_Sym * symtab;
- Elf_Internal_Sym * psym;
unsigned long si, num_syms;
if ((section->sh_type != SHT_SYMTAB
strtab_size = strtab != NULL ? string_sec->sh_size : 0;
}
- for (si = 0, psym = symtab; si < num_syms; si++, psym++)
- {
- const char *version_string;
- enum versioned_symbol_info sym_info;
- unsigned short vna_other;
-
- printf ("%6ld: ", si);
- print_vma (psym->st_value, LONG_HEX);
- putchar (' ');
- print_vma (psym->st_size, DEC_5);
- printf (" %-7s", get_symbol_type (filedata, ELF_ST_TYPE (psym->st_info)));
- printf (" %-6s", get_symbol_binding (filedata, ELF_ST_BIND (psym->st_info)));
- if (filedata->file_header.e_ident[EI_OSABI] == ELFOSABI_SOLARIS)
- printf (" %-7s", get_solaris_symbol_visibility (psym->st_other));
- else
- {
- unsigned int vis = ELF_ST_VISIBILITY (psym->st_other);
-
- printf (" %-7s", get_symbol_visibility (vis));
- /* Check to see if any other bits in the st_other field are set.
- Note - displaying this information disrupts the layout of the
- table being generated, but for the moment this case is very rare. */
- if (psym->st_other ^ vis)
- printf (" [%s] ", get_symbol_other (filedata, psym->st_other ^ vis));
- }
- printf (" %4s ", get_symbol_index_type (filedata, psym->st_shndx));
- print_symbol (25, psym->st_name < strtab_size
- ? strtab + psym->st_name : _("<corrupt>"));
-
- version_string
- = get_symbol_version_string (filedata,
- section->sh_type == SHT_DYNSYM,
- strtab, strtab_size, si,
- psym, &sym_info, &vna_other);
- if (version_string)
- {
- if (sym_info == symbol_undefined)
- printf ("@%s (%d)", version_string, vna_other);
- else
- printf (sym_info == symbol_hidden ? "@%s" : "@@%s",
- version_string);
- }
-
- putchar ('\n');
-
- if (ELF_ST_BIND (psym->st_info) == STB_LOCAL
- && si >= section->sh_info
- /* Irix 5 and 6 MIPS binaries are known to ignore this requirement. */
- && filedata->file_header.e_machine != EM_MIPS
- /* Solaris binaries have been found to violate this requirement as
- well. Not sure if this is a bug or an ABI requirement. */
- && filedata->file_header.e_ident[EI_OSABI] != ELFOSABI_SOLARIS)
- warn (_("local symbol %lu found at index >= %s's sh_info value of %u\n"),
- si, printable_section_name (filedata, section), section->sh_info);
- }
+ for (si = 0; si < num_syms; si++)
+ print_dynamic_symbol (filedata, si, symtab, section,
+ strtab, strtab_size);
free (symtab);
if (strtab != filedata->string_table)
projects / binutils-gdb.git / commitdiff